Fluid-operated tool

Details Fluid-operated tool Fluid-operated tool

1998-03-09

2000-08-22

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 44, 81 36, B25B 1300

Patent

active

061054720

ABSTRACT:
A fluid-operated tool has a link provided with an engaging element for engaging and turning a threaded connector and turnable about a pivot axis of the engaging element, a housing, a fluid-operated drive including a cylinder-piston unit with a cylinder formed in the housing, a piston reciprocatingly movable in the cylinder and a piston rod connected with the piston, the piston rod being also connected with the link, so that when the drive is actuated by a pressure fluid the piston rod is displaced and turn the link about the pivot axis, the housing being connected with the link exclusively by the piston rod.

REFERENCES:
patent: 4916986 (1990-04-01), Junkers

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